PT-2011-5163 · 3S · Codesys

Luigi Auriemma · Published 2011-12-25 · Updated 2017-08-29 · CVE-2011-5008

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions 3S CoDeSys version 3.4 SP4 Patch 2

Description The issue is related to an integer overflow in the GatewayService component, which can be exploited by remote attackers to execute arbitrary code. This is achieved by sending a packet with a large size value in the header, triggering a heap-based buffer overflow.

Recommendations For version 3.4 SP4 Patch 2, consider applying a patch or fix to address the integer overflow issue in the GatewayService component. As a temporary workaround, restrict access to the GatewayService component to minimize the risk of exploitation.

Exploit

Fix

Weakness Enumeration

CWE-189

Related Identifiers

CVE-2011-5008

Affected Products

Codesys

References · 7

• 🔥 http://us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf · Exploit
• http://secunia.com/advisories/47018 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-5008 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71531 · Note
• http://aluigi.altervista.org/adv/codesys_1-adv.txt · Note
• http://osvdb.org/77386 · Note
• http://seclists.org/bugtraq/2011/Nov/178 · Note